Parameter
scsa/shm/size
Short text
Shared Common System Area Size
Parameter Description
The SCSA is a shared memory area that is used by basis components such as system log, trace, and so on. scsa/shm/size configures the size of the SCSA. Depending on the operating system, this area is created either as a standalone shared memory area, or as area no. 5 on the SAP IPC interface.
Application Area
Scsa
Parameter Unit
Number of bytes
Default Value
4096
Who is permitted to make changes?
SAP only
Operating System Restrictions
None
Database System Restrictions
None
Are other parameters affected or dependent?
• scsa/shm/key is the key for the SCSA in the operating system (for example, UNIX)
• scsa/shm/file is the key for the SCSA in the operating system (for example, OS/2)
• scsa/shm/size is the size of the SCSA (in bytes)
• scsa/shm/start is a default value for the initial address in the virtual memory
• scsa/create_daemon/exe_file is a separate program for creating the SCSA
• scsa/autocreate defines whether a missing SCSA is to be created automatically
• install/uid names the user at operating system level, to which the SCSA is to belong
Values allowed
Number
